Issue 30, 2023

Engineering asymmetric multifunctional phase change composites for improved electromagnetic interference shielding and wireless personal thermal therapy

Abstract

Composites with long-term stability, safety, and comfort are desired as portable equipment continues to advance quickly. However, it is challenging to achieve stability, safety, and comfort in a single composite with respect to electromagnetic interference (EMI) shielding, thermal management, and antibacterial performances. In this study, we developed a series of layered asymmetric multifunctional PCCs with MXene layers and phase change layers. The asymmetric structure could adjust the EMI shielding efficiency as high as 54.5 dB, and improve light-to-thermal/magnetic-to-thermal conversion to assist PCCs in maintaining a considerable temperature. As the MXene@PDA with improved structural/chemical stability was proven to exhibit high antibacterial activity at higher temperatures, the PCCs appear to have great potential in antibacterial applications. Overall, our work provides new insights into the fabrication of advanced composites through asymmetric design, and the obtained PCCs display significant application potential in EMI shielding and wireless personal thermal therapy.

Graphical abstract: Engineering asymmetric multifunctional phase change composites for improved electromagnetic interference shielding and wireless personal thermal therapy

Supplementary files

Article information

Article type
Paper
Submitted
30 May 2023
Accepted
03 Jul 2023
First published
12 Jul 2023

J. Mater. Chem. A, 2023,11, 16138-16152

Engineering asymmetric multifunctional phase change composites for improved electromagnetic interference shielding and wireless personal thermal therapy

X. Hu, B. Quan, B. Ai, M. Sheng, S. Liu, X. Huang, H. Wu, X. Lu and J. Qu, J. Mater. Chem. A, 2023, 11, 16138 DOI: 10.1039/D3TA03184E

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